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CVE-2023-20519

Published: Nov 14, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-416
NVD MITRE
3.3CVSSLOW
EPSS Score
0.2%
Top 89.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

3rd Gen AMD EPYC™ ProcessorsAMDHardware Firmware
4th Gen AMD EPYC™ Processors AMDHardware Firmware
4th Gen AMD EPYCAdvanced Micro Devices Inc.Hardware Firmware
3rd Gen AMD EPYCAdvanced Micro Devices Inc.Hardware Firmware
milanpi firmwareamdHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
advanced micro devices inc.commercialUSHardware Firmwareaka amd
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002
amd.com

Timeline

Published
Nov 14, 2023
Last Updated
Nov 21, 2024

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